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AMS7271-157 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AMS7271-157: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 4.457 INCHES MINIMUM AND 4.517 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, material_document_and_classification: SAE AMS 7271 ASSN STD SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: RING, SEALING, BUTADIENE-ACRYLONITRILE (NBR) RUBBER FUEL AND LOW TEPERATURE RESISTANT 60-70. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-582-7696, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AMS7271-157
NSN: 5331-01-582-7696
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter4.457 INCHES MINIMUM AND 4.517 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
material_document_and_classificationSAE AMS 7271 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyRING, SEALING, BUTADIENE-ACRYLONITRILE (NBR) RUBBER FUEL AND LOW TEPERATURE RESISTANT 60-70
NSN5331-01-582-7696
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS7271-157 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE AMS 7271 ASSN STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 4.457 INCHES MINIMUM AND 4.517 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE AMS 7271 ASSN STD SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER4.457 INCHES MINIMUM AND 4.517 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRING, SEALING, BUTADIENE-ACRYLONITRILE (NBR) RUBBER FUEL AND LOW TEPERATURE RESISTANT 60-70
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AMS7271-157?
AMS7271-157 is a O-RING.
What is the NSN for AMS7271-157?
AMS7271-157 is cataloged in the U.S. Government catalog under NSN 5331-01-582-7696. This indicates validated use in U.S. government and defense supply chains.
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